CVE-2025-20393
Published: Dec 17, 2025
Modified: Feb 26, 2026
CVSS v3.1
10.0
Description
A vulnerability in the Spam Quarantine feature of Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco Secure Email and Web Manager could allow an unauthenticated, remote attacker to execute arbitrary system commands on an affected device with root privileges. This vulnerability is due to insufficient validation of HTTP requests by the Spam Quarantine feature. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with root privileges.
| Vendor | Product | Versions |
|---|---|---|
Cisco | Cisco Secure Email | affected 14.0.0-698affected 13.5.1-277affected 13.0.0-392affected 14.2.0-620affected 13.0.5-007+13 more versions |
Cisco | Cisco Secure Email and Web Manager | affected 13.6.2-023affected 13.6.2-078affected 13.0.0-249affected 13.0.0-277affected 13.8.1-052+21 more versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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